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8539204990 = 25853920499
BaseRepresentation
bin1111111001111100…
…11110110101111110
3211001010000120002111
413330332132311332
5114442014024430
63531200444234
7421416021241
oct77476366576
924033016074
108539204990
113692182108
1217a391967a
13a61173c24
145b0147258
1534ea09c2a
hex1fcf9ed7e

8539204990 has 8 divisors (see below), whose sum is σ = 15370569000. Its totient is φ = 3415681992.

The previous prime is 8539204967. The next prime is 8539204997. The reversal of 8539204990 is 994029358.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×85392049902 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8539204997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 426960240 + ... + 426960259.

It is an arithmetic number, because the mean of its divisors is an integer number (1921321125).

Almost surely, 28539204990 is an apocalyptic number.

8539204990 is a deficient number, since it is larger than the sum of its proper divisors (6831364010).

8539204990 is a wasteful number, since it uses less digits than its factorization.

8539204990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 853920506.

The product of its (nonzero) digits is 699840, while the sum is 49.

The square root of 8539204990 is about 92407.8188791403. The cubic root of 8539204990 is about 2043.9604107857.

The spelling of 8539204990 in words is "eight billion, five hundred thirty-nine million, two hundred four thousand, nine hundred ninety".

Divisors: 1 2 5 10 853920499 1707840998 4269602495 8539204990